The mass of proton and mass of ________ is same.
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The Chemical formula of Ammonium nitrate is ___________.
The force that a neutron exerts on a proton inside an atom is:
Which of the following gas leaked in the Bhopal Gas tragedy in December 1984?
The melting point of ice is ____ K.
Which of the following acts as best adsorbent?
What is the number of groups and periods in the modern periodic table?
A radio-active substance has a half life of six months. Three-fourth of the substance will decay in ______.
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